The Kingspan Kooltherm range

Find out more about our popular range of Kingspan Kooltherm Phenolic insulation for roofs, walls and floors. The Kingspan Kooltherm range comprises the thinnest commonly used insulation products for any specific U-value. With a fibre-free rigid thermoset phenolic core and a thermal conductivity of 0.019 - 0.022 W/mK, these are the most thermally efficient insulation products commonly used.